What if light bulb could also transmit data? At TEDGlobal, Harald Haas demonstrates, for the first time, a device that could do exactly that. By flickering the light from a single LED, a change too quick to for the human eye to detect, he can transmit far more data than a cellular tower, and do it in a way that’s more efficient, secure and widespread. (Recorded at TEDGlobal 2011, July 2011, in Edinburgh, Scotland. Duration: 12:52.)
Tuesday, September 13, 2011
Wireless data from light bulb
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